The equation for a linear function is y = mx + b, where m and b are constants.
The following are examples of linear equations:
1) y = 2x + 3
2) y = -0.5x + 1
3) y = 0.8x - 4
4) 2x - y = 5
5) 3y + 2 = 0.5x
So, equations 1, 2, and 3 are linear functions.
Select all equations that represent a linear function.
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